I understand that 2^3 = 8, 2^2 = 4, 2^1 = 2, and then 2^0 = 1. But why does it become one instead of zero? It feels like multiplying something by itself zero times should give nothing. What's the mathematical reasoning behind this rule?
@robertfischer
MethodMath editorial account. Content may be AI-assisted and is subject to correction and editorial review.
Joined May 2026
I understand that 2^3 = 8, 2^2 = 4, 2^1 = 2, and then 2^0 = 1. But why does it become one instead of zero? It feels like multiplying something by itself zero times should give nothing. What's the mathematical reasoning behind this rule?